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20200222002021 = 3236111699410231
BaseRepresentation
bin1001001011111001110110…
…00011101000101101100101
32122112010022012111001200020
410211330323003220231211
510121430023313031041
6110543504234305353
74153263221661045
oct445747303505545
978463265431606
1020200222002021
116488958779686
122322b31588259
13b36b465c1949
144db9a5a0b725
152506c2a5d866
hex125f3b0e8b65

20200222002021 has 32 divisors (see below), whose sum is σ = 28567900108800. Its totient is φ = 12669018225600.

The previous prime is 20200222001879. The next prime is 20200222002031. The reversal of 20200222002021 is 12020022200202.

It is not a de Polignac number, because 20200222002021 - 230 = 20199148260197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200222002031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49035976 + ... + 49446206.

It is an arithmetic number, because the mean of its divisors is an integer number (892746878400).

Almost surely, 220200222002021 is an apocalyptic number.

It is an amenable number.

20200222002021 is a deficient number, since it is larger than the sum of its proper divisors (8367678106779).

20200222002021 is a wasteful number, since it uses less digits than its factorization.

20200222002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422017.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200222002021 its reverse (12020022200202), we get a palindrome (32220244202223).

The spelling of 20200222002021 in words is "twenty trillion, two hundred billion, two hundred twenty-two million, two thousand, twenty-one".

Divisors: 1 3 23 61 69 183 1403 4209 11699 35097 269077 410231 713639 807231 1230693 2140917 9435313 16413697 25024091 28305939 49241091 75072273 575554093 1726662279 4799292469 14397877407 110383726787 292756840609 331151180361 878270521827 6733407334007 20200222002021